I dunno. M1 might be fine, I just haven't tested it with an M1. If you enable semantic features, it does use a large model (not necessarily an LLM) for embeddings; but regardless it will generate thumbnails for images and videos, and transcode videos for playback, so a good GPU is helpful.
Very nice project, it is something what we all need right now in these days. Just noticed that you recommend Apple Silicon M2 or newer? Is there really a significant difference between M1 and M2? Is it running some LLM model in the background?